21873290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1907}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 41762304

約数和(自身を除く): 19889014

約数列:

[1, 2, 5, 10, 31, 37, 62, 74, 155, 185, 310, 370, 1147, 1907, 2294, 3814, 5735, 9535, 11470, 19070, 59117, 70559, 118234, 141118, 295585, 352795, 591170, 705590, 2187329, 4374658, 10936645, 21873290]

約数ペア:

[(1, 21873290), (2, 10936645), (5, 4374658), (10, 2187329), (31, 705590), (37, 591170), (62, 352795), (74, 295585), (155, 141118), (185, 118234), (310, 70559), (370, 59117), (1147, 19070), (1907, 11470), (2294, 9535), (3814, 5735)]